Burner ignition and control system

Claim 1

AN IGNITION AND CONTROL SYSTEM FOR A FLUID FUEL BURNER COMPRISING A NORMALLY CLOSED SOLENOID OPERATED VALVE FOR CONTROLLING THE SUPPLY OF FUEL TO SAID BURNER SPARK IGNITION MEANS FOR SAID BURNER; POWER CIRCUIT MEANS FOR SAID VALVE AND SAID IGNITION MEANS; A NORMALLY CLOSED WARP SWITCH IN SAID CIRCUIT; NORMALLY OPEN RELAY CONTACTS AND A RESISTOR CONNECTED IN PARALLEL IN SAID CIRCUIT, SAID RELAY CONTACTS AND SAID RESISTOR EACH BEING IN SERIES WITH SAID WARP SWITCH AND SAID VALVE, SAID RELAY CONTACTS BEING IN SERIES WITH SAID SPARK IGNITION MEANS, THE RESISTANCE OF SAID RESISTOR BEING SUCH THAT THE CURRENT FLOW THROUGH SAID RESISTOR IS SUFFICIENT TO HOLD SAID VALVE OPEN BUT INSUFFICIENT TO OPEN SAID VALVE; MEAIN SWITCH MEANS FOR CONNECTING SAID CIRCUIT TO A POWER SOURCE; A COMBUSTION SENSOR INCLUDING A PAIR OF NORMALLY CLOSED CONTACTS AND A PAIR OF NORMALLY OPEN CONTACTS,SAID NORMALLY CLOSED CONTACTS BEING OPEN AND SAID NORMALLY OPEN CONTACTS BEING CLOSED WHEN SAID COMBUSTION SENSOR IS HEATED BY COMBUSTION OF SAID BURNER; MEANS INCLUDING SAID NORMALLY CLOSED CONTACTS OF SAID COMBUSTION SENSOR OPERATIVE WHEN SAID MAIN SWITCH MEANS IS CLOSED AND SAID VALVE IS CLOSED TO CLOSE SAID RELAY CONTACT TO OPEN SAID VALVE AND TO ENERGIZE SAID SPARK IGNITION; SAID COMBUSTION SENSOR OPENING SAID NORMALLY CLOSED CONTACTS AND THEREBY OPENING SAID RELAY CONTACTS UPON INITIATION OF COMBUSTION AT SAID BURNER WHEREBY THE CIRCUIT TO SAID SOLENOID VALVE IS MAINTAINED THROUGH SAID RESISTOR AND SAID SPARK MEANS IS DEENERGIZED, AND A HEATER IN SERIES WITH SAID NORMALLY CLOSED CONTACTS AND OPERABLE TO OPEN SAID WARP SWITCH A PREDETERMINED TIME AFTER SAID MAIN SWITCH MEANS IS CLOSED.